All you need to know should be in here.
Press the Menu Button to bring up the main Menu
Press the Left Arrow until the Installation Menu is displayed then press OK
Select TP Manager and press OK
Press the Down Arrow and select 12456
Press the Blue Button (To Scan)
Press the Right Arrow to select Free Only and press OK
You will need to organise your channels into the correct order after scanning.
Thank you very much Paul. Your service is always excellent - replies in good time and your instructions work.
I don't know if I've done something to my settings on the forum, but I made sure I had selected 'email me when people reply', but I didn't get an email.